166 Botanisches Centraibiatt. 



Berry, E. W. 1914. Notes on the Geologie History of Platanus. (Plant 



World XVII. p. 1 — 8. 5 f.) [A populär account of the geologic 



history of the genus Platanus. The fossil record is shown to indi- 



cate that Platanus was of American origin and that it is a waning 



type in existing floras. — Berry.] 

 Berry, E. W. 1913. Some Paleontological Results of the Swedish South 



Polar expedition under Nordenskiold. (Science, N S. XXXVIII. p. 



656 — 661.) [Discusses the paleontological results of this expedition, 



more especially the work of Halle on the Jurassic flora of Graham 



Land, that of Gothan on the petrified woods and that of Düsen 



on the early Tertiar}'^ flora of Seymour Island. — Berry.] 

 Berry, E. W. 1914. The Upper cretaceous and eocene floras of South 



Carolina and Georgia. (U. S. geol. Surv. prof. Pap. 1914. 84. 200 



pp. 12 tf. 29'. pl.) 

 Brehmer, W. v.- 1914. lieber eine Glossopterisflora am Ulugurugebirge 



(Deutsch-Ostafrika). (Bot. Jahrb. LI. p. 399—411. 4 F. 1 T.) 

 Brown, C. S. 1913. The Petrified forest of Mississippi. (Pop. Sc. 



Monthly. 1913. p. 466—470. 5 f.) [Describes the occurrence of 



silicified wood in the Middle Eocene at Flora, Miss. — Berry.] 

 Browne, i. M. P. 1914. A new fernlike stem, described by Count 



Solms-Laubach. (N. Phytologist. XIII. p. 93-96.) 

 Eckardt, W. 1914. Ueber Grundlagen und Theorien dei Paläoklima- 



tologie (Die Naturwissenschaften. II. p. 193 — 196.) 

 Frame, E. de 1914. A new species of MeduUosa from the lower coal 



measures. (Rep. british Ass. Adv. Sc. Birmingham. 1913. London 



1914. p. 709.) 

 Humphreys, E. W. 1914. Some fossil leaves and their significance. 



(Torreya. XIV. p. 39-42. 2 pl.) 

 Jongmans, W. 1914. Fossilium Catalogus II. Plantae Pars 3 Equisetales 



II. (Berlin, W. Junk. 1914. 8«. p. 55-88.) 

 Jungclaus, E. R. 1914. Das sogenannte Treibholz bei Grauort, unweit 



Stade u. das Bernsteinvorkommen daselbst. (Abh. natw. Ver. 



Bremen. XXII. p. 346—382.) 

 Kidston, R. et W. J. Jongmans. 1913. Sur la fructification de Neurop- 



teris obliqua Bgt. (Med. Rijks Herb. Leiden. 1913. 2 pp. 1 t.) 

 Nathorst, A. G. 1913. Die pflanzenführenden Horizonte innerhalb der 



Grenzschichten des Jura und der Kreide Spitzbergens. (Geol. för- 



ming i Stockholm Förhandl. 1913. p. 273—281.) 

 Nathorst, A. G. 1913. Die Pflanzenreste der Rörage- Ablagerung. Aus: 



V. M. Goldschmidt, Da^ Devongebiet am Böragen bei Röros. 



(Vidensk. Skr. mat. nat. Kl. 1913. 24 pp.) 

 Nathorst, A. G. 1913. How are the names Williamsonia and Wielan- 



diella to be used? (Geol. förming i Stockholm. Förhandl. 1913. 



p. 361—366.) 

 Stevenson, J. J. 1911/13. The formation of coal beds. I— IV. (Proc. 



amer. phil. Soc. L. p. 1 — 116, 519-643. LI. p. 423-553, LH. p. 31 — 162.) 

 Wieland, G. R. 1913. The liassic flora of the Mixteca Alta of Mexico. 



(Amer. Journ. Sc. XXXVI. p. 251-281 2 f.) 



VIII. Microseopie. 

 IX. Cryptogamen im AUgemeinen. 



(^Vacanc. 



X. Algae. 



Blake, J. M. 1914. Picking out and mounting diatoms. (Amer. Journ. 

 Sc. XXXVII. p. 535-538.) 



